Paper: Local and Global Algorithms for Disambiguation to Wikipedia

ACL ID P11-1138
Title Local and Global Algorithms for Disambiguation to Wikipedia
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 2011

Disambiguating concepts and entities in a con- text sensitive way is a fundamental problem in natural language processing. The compre- hensiveness of Wikipedia has made the on- line encyclopedia an increasingly popular tar- get for disambiguation. Disambiguation to Wikipedia is similar to a traditional Word Sense Disambiguation task, but distinct in that the Wikipedia link structure provides addi- tional information about which disambigua- tions are compatible. In this work we analyze approaches that utilize this information to ar- rive at coherent sets of disambiguations for a given document (which we call “global” ap- proaches), and compare them to more tradi- tional (local) approaches. We show that previ- ous approaches for global disambiguation can be improved, but even then the lo...